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diff --git a/src/testlib/qbenchmarkevent.cpp b/src/testlib/qbenchmarkevent.cpp
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+++ b/src/testlib/qbenchmarkevent.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtTest module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "QtTest/private/qbenchmarkevent_p.h"
+#include "QtTest/private/qbenchmark_p.h"
+#include "QtTest/private/qbenchmarkmetric_p.h"
+#include <qdebug.h>
+
+QT_BEGIN_NAMESPACE
+
+QAbstractEventDispatcher::EventFilter oldEventFilter = 0;
+qint64 QBenchmarkEvent::eventCounter = 0;
+
+QBenchmarkEvent::~QBenchmarkEvent()
+{
+}
+
+void QBenchmarkEvent::start()
+{
+    QBenchmarkEvent::eventCounter = 0;
+    QAbstractEventDispatcher *parent = QAbstractEventDispatcher::instance();
+    oldEventFilter = parent->setEventFilter(QBenchmarkEvent::eventCountingMechanism);
+}
+
+qint64 QBenchmarkEvent::checkpoint()
+{
+    return QBenchmarkEvent::eventCounter;
+}
+
+qint64 QBenchmarkEvent::stop()
+{
+    QAbstractEventDispatcher *parent = QAbstractEventDispatcher::instance();
+    parent->setEventFilter(oldEventFilter);
+    return QBenchmarkEvent::eventCounter;
+}
+
+// It's very tempting to simply reject a measurement if 0 events
+// where counted, however that is a possible situation and returning
+// false here will create a infinite loop. Do not change this.
+bool QBenchmarkEvent::isMeasurementAccepted(qint64 measurement)
+{
+    Q_UNUSED(measurement);
+    return true;
+}
+
+int QBenchmarkEvent::adjustIterationCount(int suggestion)
+{
+    return suggestion;
+}
+
+int QBenchmarkEvent::adjustMedianCount(int suggestion)
+{
+    Q_UNUSED(suggestion);
+    return 1;
+}
+
+QTest::QBenchmarkMetric QBenchmarkEvent::metricType()
+{
+    return QTest::Events;
+}
+
+// This could be done in a much better way, this is just the beginning.
+bool QBenchmarkEvent::eventCountingMechanism(void *message)
+{
+    Q_UNUSED(message);
+    QBenchmarkEvent::eventCounter++;
+    return false;
+}
+
+QT_END_NAMESPACE